At 7:50 PM EDT, meteorologists are tracking a cluster of severe thunderstorms that is capable of producing large hail to 2 cm in diameter and damaging wind to 90 km/h. These storms are located approximately 50 km southwest of Sudbury and are tracking southeast at 50 km/h.

Emergency Management Ontario recommends that you take cover immediately, if threatening weather approaches.

Large hail can damage property and cause injuries. Strong wind gusts and locally heavy rain are also possible.

Go indoors and move away from windows and skylights. Avoid areas of the building that could be affected by falling debris such as tree limbs. Stay on the lower floor of your home or building and if the storm is particularly severe go to the basement.

In Canada, lightning kills up to 10 people every year. Remember, when thunder roars, go indoors.

Environment Canada continues to monitor the situation closely. Stay tuned to your local media or Weatheradio for further updates. If you would like to report severe weather, you can send an email to storm.ontario@ec.gc.ca.

At 7:20 PM EDT, meteorologists are tracking two dangerous thunderstorms that are likely producing tornadoes. Doppler radar indicates strong rotation with storms, one approximately 50 km south of Sudbury and another 50 km southwest of Sudbury. Both are moving southeast at at 45 km/h toward French River. Large hail up to 3 cm in diamater may also be associated with these storms.

This is a dangerous and potentially life-threatening situation.

Emergency Management Ontario recommends that you take cover immediately, if threatening weather approaches.

Go indoors to a room on the lowest floor, away from outside walls and windows, such as a basement, bathroom, stairwell or interior closet. Leave mobile homes, vehicles, tents, trailers and other temporary or free-standing shelter, and move to a strong building if you can. As a last resort, lie in a low spot and protect your head from flying debris.

If you hear a roaring sound or see a funnel cloud, swirling debris near the ground, flying debris, or any threatening weather approaching, take shelter immediately.

For more information: http://www.emergencymanagementontario.ca/english/beprepared/beprepared.html .

Environment Canada continues to monitor the situation closely. Stay tuned to your local media or Weatheradio for further updates. If you would like to report severe weather, you can send an email to storm.ontario@ec.gc.ca.